Plychocoleus. franz stephani. species hepaticarum (Vol. V, 1912). 



trigonis raagnis, ipsa basi in inedio parietum nodulosis. Lobulus anguste 

 oblongus, oblique patens, triplo vel quadruplo longior quam latus, in 

 plano ovatus, carina leviter arcuata, levi sinu in folii marginem exeur- 

 rens, inflata, apice angustiore oblique truncato, angulo apiculato. 

 Amphigastria caulina raagna, caule quintuplo latiora, reniforinia, pro- 

 funde sinuatim inserta, apice late truncato-rotundata. Perianthia (juve- 

 nilia) pyriformia, quinqueplicata, plicis breviter decurrentibus. Folia 

 fwralia intima perianthio aequilonga, ovata, duplo longiora quam lata, 

 breviter acuminata, acuta, lobulo parum breviore, lanceolato, ad 

 x /3 soluto, acuto. Amphifjastrium [lurale intimum oblongo-ellipticum, 

 lobulis asquilongum, apice breviter emarginato-bidentulum, dentibus 

 acutis. Androzcia ignota. 



Hab. Africa occidentalis, Angola, San Thome. 



4. Ptychocoleus convexus St., Deutsche Central-Africa- 

 Expedition 1907-1908. 



Dioica major olivacea, valida, flaccida, incortice dense depresso caes- 

 pitosa. Caulis ad 35 mm. longus, pauciramosus, ramis brevibus. Folia 

 caulina conferta, oblique patula, valde concava, in plano subrotunda, 

 obtusa (0,6 mm. longa et lata). Cellulse superce 27 |i trigonis maximis 

 subnodulosis, sajpe confluentibus, basales vix majores. Lobulus folio 

 duplo brevior, oblique patens, ovatus, carina arcuata, sinu profundo in 

 folii marginem excurrens, apice oblique truncatus, angulo acuto. 

 Amphigastria caulina magna, reniformia, caule quintuplo latiora, 

 imbricata, appressa, plana, integerrima, basi exciso-inserta. Folia floralia 

 intima caulinis multo majora, perianthium laxe vaginantia, anguste 

 obcuneata, apice rotundata, decurva, lobulo duplo angustiore, anguste 

 obcuneato, apice rotundato, folioparum breviore. Amphigastrium florale 

 intimum subcirculare, perianthio appressum. Perianthia subcylindrica 

 quinqueplicata, rostro parvo. Andracia breviter spicata (in ramis seriata), 

 bracteis ad 5 jugis. 



Hab. Africa orientalis, Ruwenzori. 



5. Ptychocoleus confertissimus St. 



Syn. : Acrolejeunea confertissima St., Hedwigia, 1892, p. 165. 



Dioica mediocris, fusco-brunnea, dense depresso-caespitosa. Cauliszd 

 2cm. longus, dense ramosus, ramis insequalibus, fructiferis unilaterali- 

 bus dense seriatis. Folia caulina conferta, recte patula, in plano sub- 

 rotunda (0,65 mm. longa, 0,53 mm. lata), asymmetrica, margine postico 

 substricto, apice rotundata, brevi basi inserta, basi antica rotundato- 

 appendiculata. ^/tesupera 18X36 {t, basales vix longiores, trigonis 

 23 



